Cooper Williams
2023
| US OPEN JUNIOR | [3] | Quarter |
| WIMBLEDON JUNIOR | [4] | Semi |
| J300 ROEHAMPTON | [4] | 1R |
| ROLAND GARROS JUNIOR | [9] | Quarter |
| J500 MILAN | [12] | Final |
| AUSTRALIAN OPEN JUNIOR | [8] | 3R |
| J300 TRARALGON | [5] | Semi |
2022
| JAPLANTATION | [6] | Semi |
| J1 BRADENTON | [8] | 3R |
| JAMERIDA | [7] | Quarter |
| J1 GUADALAJARA | [4] | Quarter |
| US OPEN JUNIOR | 1R | |
| WIMBLEDON JUNIOR | 1R | |
| J1 ROEHAMPTON | 1R | |
| ROLAND GARROS JUNIOR | 1R | |
| JAMILAN | 1R | |
| JACRICIUMA | [7] | 2R |
| J1 PORTOALEGRE | [5] | Quarter |
| J1 SALINAS | [1] | 2R |
| J1 BARRANQUILLA | [1] | Semi |
| J1 SANJOSE | [1] | Final |
2021
| JAPLANTATION | 2R | |
| J1 BRADENTON | Quarter | |
| JAMERIDA | 2R | |
| J1 GUADALAJARA | [14] | 3R |
| JB1 NICHOLASVILLE | [8] | Quarter |
| J2 CAIRO-2 | Quarter | |
| J2 CAIRO | Quarter | |
| J3 CAIRO-2 | [7] | 1R |
| J3 SANTODOMINGO | [7] | Semi |
| J3 SANJOSE-2 | 2R | |
| J3 SANJOSE | Semi | |
| JB1 SANDIEGO | 2R | |
| J1 SANDIEGO | 2R | |
| J1 BARRANQUILLA | 1R | |
| J4 LALIBERTAD | [1] | Semi |
| J4 NAIROBI-2 | [7] | Semi |
| J4 NAIROBI | [7] | Quarter |
2020
| J4 GUATEMALA-3 | Quarter | |
| J5 SANTATECLA-6 | [7] | Final |
| J4 SANTATECLA-4 | [7] | 1R |
| J5 VALEDOLOBO-2 | 1R | |
| J4 MARIBOR-4 | 1R | |
| J4 ULCINJ-2 | 2R | |
| J5 HEIVELD | [5] | 2R |
| J4 OBERPULLENDORF | [13] | 3R |
| J4 MALMO | 1R |
Nation
USA
Age
20 years old (born in 2005)
World Ranking
ATP Ranking 689th
Year-end Junior World Ranking
- Year-end 2023 6th
- Year-end 2022 18th
- Year-end 2021 95th
- Year-end 2020 602th
- Year-end 2019 1187th
Rival
Rodrigo Pacheco Mendez (1-3)
Danil Panarin (2-1)
Alejandro Melero Kretzer (2-1)
Patrick Schoen (3-0)
Ignacio Buse (0-3)
Match Details
2023 US OPEN JUNIOR
| W | 1R | Gabriele Vulpitta | 6-1 6-0 |
| W | 2R | Markus Molder | 6-2 3-6 7-6 |
| W | 3R | Adhithya Ganesan | 6-0 6-1 |
| L | QF | Joao Fonseca | 6-7 6-3 3-6 |
2023 WIMBLEDON JUNIOR
| W | 1R | Luca Pow | 7-5 6-1 |
| W | 2R | Sebastian Eriksson | 6-1 3-6 6-4 |
| W | 3R | Alejandro Melero Kretzer | 6-4 6-4 |
| W | QF | Iliyan Radulov | 7-6 6-3 |
| L | SF | Henry Searle | 6-7 3-6 |
2023 J300 ROEHAMPTON
| L | 1R | Filippo Romano | 6-4 3-6 6-7 |
2023 ROLAND GARROS JUNIOR
| W | 1R | Abel Forger | 7-6 6-1 |
| W | 2R | Sebastian Eriksson | 6-3 6-1 |
| W | 3R | Lorenzo Sciahbasi | 6-3 6-3 |
| L | QF | Darwin Blanch | 6-7 6-2 3-6 |
2023 J500 MILAN
| W | 1R | Danil Panarin | 6-4 6-2 |
| W | 2R | Andrea De Marchi | 6-2 6-2 |
| W | 3R | Adriano Dzhenev | 6-2 6-2 |
| W | QF | Branko Djuric | 6-2 7-6 |
| W | SF | Yi Zhou | 6-3 4-0 |
| L | F | Rodrigo Pacheco Mendez | 4-6 5-7 |
2023 AUSTRALIAN OPEN JUNIOR
| W | 1R | Keegan Rice | 6-4 6-3 |
| W | 2R | Hoyoung Roh | 6-4 6-3 |
| L | 3R | Yi Zhou | 1-6 4-6 |
2023 J300 TRARALGON
| W | 1R | Marcus Schoeman | 6-3 6-0 |
| W | 2R | Yuvan Nandal | 7-6 6-3 |
| W | 3R | Joao Fonseca | 6-4 1-6 6-4 |
| W | QF | Tianhui Zhang | 5-7 6-3 6-0 |
| L | SF | Federico Cina | 6-7 2-6 |
2022 JAPLANTATION
| W | 1R | Segundo Goity Zapico | 6-0 6-0 |
| W | 2R | Volodymyr Iakubenko | 6-2 2-6 6-2 |
| W | 3R | Alejandro Melero Kretzer | 6-4 6-0 |
| W | QF | Kyle Kang | 7-5 2-6 6-4 |
| L | SF | Gerard Campana Lee | 3-6 3-6 |
2022 J1 BRADENTON
| W | 1R | Yannik Rahman | 6-3 6-0 |
| W | 2R | Phoenix Weir | 6-2 6-3 |
| L | 3R | Arthur Gea | 3-6 4-6 |
2022 JAMERIDA
| W | 1R | Reiya Hattori | 6-3 6-1 |
| W | 2R | Patrick Schoen | 6-1 6-4 |
| W | 3R | Danil Panarin | 6-1 6-3 |
| L | QF | Rodrigo Pacheco Mendez | 4-6 4-6 |
2022 J1 GUADALAJARA
| W | 1R | Zachary Viiala | 6-2 6-4 |
| W | 2R | Hugo Coquelin | 6-4 6-3 |
| W | 3R | Patrick Schoen | 7-5 6-1 |
| L | QF | Danil Panarin | 4-6 3-6 |
2022 US OPEN JUNIOR
| L | 1R | Hynek Barton | 6-2 4-6 3-6 |
2022 WIMBLEDON JUNIOR
| L | 1R | Ignacio Buse | 2-6 4-6 |
2022 J1 ROEHAMPTON
| L | 1R | Lautaro Midon | 4-6 1-6 |
2022 ROLAND GARROS JUNIOR
| L | 1R | Jakub Mensik | 3-6 6-3 5-7 |
2022 JAMILAN
| L | 1R | Edas Butvilas | 0-6 6-7 |
2022 JACRICIUMA
| W | 1R | Joao Eduardo Schiessl | 7-5 7-5 |
| L | 2R | Yaroslav Demin | 3-6 6-7 |
2022 J1 PORTOALEGRE
| W | 1R | Hayato Matsuoka | 6-3 6-4 |
| W | 2R | Tiago Pires | 6-3 6-3 |
| L | QF | Nishesh Basavareddy | 0-6 7-6 5-7 |
2022 J1 SALINAS
| W | 1R | Camilo Cano Gomez | 6-1 6-2 |
| L | 2R | Alejandro Melero Kretzer | 6-3 6-7 4-6 |
2022 J1 BARRANQUILLA
| W | 2R | Jules Leroux | 6-4 6-1 |
| W | 3R | Kaylan Bigun | 3-6 6-1 6-2 |
| W | QF | Jonah Braswell | 6-1 6-3 |
| L | SF | Michael Zheng | 3-6 3-6 |
2022 J1 SANJOSE
| W | 1R | Michal Krajci | 6-2 6-4 |
| W | 2R | Sean Daryabeigi | 7-5 7-6 |
| W | QF | Nishesh Basavareddy | 3-6 7-6 6-2 |
| W | SF | Michael Zheng | 6-2 6-1 |
| L | F | Sebastian Gorzny | 3-6 6-7 |
2021 JAPLANTATION
| W | 1R | Dragos Nicolae Cazacu | 7-6 6-1 |
| L | 2R | Jakub Mensik | 3-6 6-7 |
2021 J1 BRADENTON
| W | 1R | Federico Cina | 6-2 7-5 |
| W | 2R | Lennon Roark Jones | 6-3 6-0 |
| W | 3R | Maxim Shin | 6-0 6-2 |
| L | QF | Bruno Kuzuhara | 6-7 2-6 |
2021 JAMERIDA
| W | 1R | Juan Manuel La Serna | 6-4 6-4 |
| L | 2R | Adolfo Daniel Vallejo | 6-4 3-6 4-6 |
2021 J1 GUADALAJARA
| W | 1R | Martin Antonio Vergara Del Puerto | 6-2 7-6 |
| W | 2R | Emiliano Aguilera Guerrero | 6-2 6-4 |
| L | 3R | Ignacio Buse | 7-5 2-6 2-6 |
2021 JB1 NICHOLASVILLE
| W | 2R | Zane Ford | 6-2 6-4 |
| W | 3R | Luca- Julian Hotze | 6-2 6-0 |
| L | QF | Jaden Weekes | 2-6 6-2 4-6 |
2021 J2 CAIRO-2
| W | 1R | Etienne Marty | 6-1 6-2 |
| W | 2R | Toky Ranaivo | 6-2 3-6 7-5 |
| L | QF | Nishant Dabas | 3-6 4-6 |
2021 J2 CAIRO
| W | 1R | Adam Kresina | 6-2 6-7 6-2 |
| W | 2R | Idriss Haddouch | 6-4 7-6 |
| L | QF | Mateo Del Pino | 2-6 4-6 |
2021 J3 CAIRO-2
| L | 1R | Walid Ahouda | 5-7 5-7 |
2021 J3 SANTODOMINGO
| W | 1R | Giancarlo Rosario | 6-0 6-0 |
| W | 2R | Nicolas Villalon Valdes | 6-3 6-4 |
| W | QF | Rodrigo Pacheco Mendez | 6-4 6-2 |
| L | SF | Aidan Kim | 4-6 4-6 |
2021 J3 SANJOSE-2
| W | 1R | Lucas Britez | 6-1 6-2 |
| L | 2R | Gonzalo Bueno | 4-6 6-4 2-6 |
2021 J3 SANJOSE
| W | 1R | Luca Lo Nardo | 6-1 6-0 |
| W | 2R | Luis Carlos Alvarez Valdes | 6-2 6-2 |
| W | QF | Martin Antonio Vergara Del Puerto | 6-2 6-1 |
| L | SF | Braden Shick | 6-7 4-6 |
2021 JB1 SANDIEGO
| W | 1R | Bryce Nakashima Nakashima | 3-6 6-0 6-3 |
| L | 2R | Juncheng Shang | 3-6 2-6 |
2021 J1 SANDIEGO
| W | 1R | Kyle Kang | 4-6 7-5 6-1 |
| L | 2R | Samir Banerjee | 6-7 6-3 4-6 |
2021 J1 BARRANQUILLA
| L | 1R | Juan Jose German Vargas Gutierrez | 2-6 6-3 2-6 |
2021 J4 LALIBERTAD
| W | 1R | Gianluca Ballotta | 4-6 7-6 6-1 |
| W | 2R | Mateo Del Pino | 6-2 5-7 6-3 |
| W | QF | Kurt Miller | 6-3 6-1 |
| L | SF | Sebastian Dominko | 7-6 6-7 1-6 |
2021 J4 NAIROBI-2
| W | 1R | Paul Barbier Gazeu | 6-4 4-6 7-6 |
| W | 2R | Lucas Schurdevin | 6-4 4-6 6-4 |
| W | QF | Andreas Scott | 6-2 6-4 |
| L | SF | Yannik Rahman | 2-6 1-6 |
2021 J4 NAIROBI
| W | 1R | Patrick Schoen | 6-4 6-4 |
| W | 2R | Oliver Tarvet | 7-5 6-2 |
| L | QF | Andreas Scott | 3-6 6-3 3-6 |
2020 J4 GUATEMALA-3
| W | 1R | Jacob Dubas | 6-4 6-3 |
| W | 2R | Agustin Eduardo Cuellar Lorberg | 6-4 6-3 |
| L | QF | Ignacio Buse | 1-6 1-6 |
2020 J5 SANTATECLA-6
| W | 1R | Fernando Flores | 6-0 6-0 |
| W | 2R | Liam Spiers | 6-2 6-0 |
| W | QF | Adrian Dibildox | 3-6 6-3 6-3 |
| W | SF | Alvaro Guillen Meza | 3-6 6-3 6-4 |
| L | F | Rodrigo Pacheco Mendez | 6-3 2-6 3-6 |
2020 J4 SANTATECLA-4
| L | 1R | Emilio Bravo | 6-2 5-7 3-6 |
2020 J5 VALEDOLOBO-2
| L | 1R | Jaime Faria | 6-3 2-6 4-6 |
2020 J4 MARIBOR-4
| L | 1R | Bor Artnak | 2-6 1-6 |
2020 J4 ULCINJ-2
| W | 1R | Pavle Markus | 6-0 6-0 |
| L | 2R | Stefan Popovic | 1-6 0-6 |
2020 J5 HEIVELD
| W | 1R | Joshua Nuyts | 6-3 3-6 6-3 |
| L | 2R | Gianluca Marin | 6-1 5-7 5-7 |
2020 J4 OBERPULLENDORF
| W | 2R | Ziga Kovacic | 6-3 7-6 |
| L | 3R | Filippo Romano | 6-7 6-4 2-6 |
2020 J4 MALMO
| L | 1R | Ethan Blot | 3-6 4-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 10179, Number of registered players: 6,443, Number of registered results: 375,166